---> uname -a: Linux prd-queue-disttest-2c-1g-65891 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.8G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 693 5521 4 2010 7248 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:d9:5b:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82408sec preferred_lft 82408sec inet6 fe80::f816:3eff:fed9:5b13/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-65891) 04/02/26 _x86_64_ (2 CPU) 01:44:21 LINUX RESTART (2 CPU) 01:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:03 1.44 0.01 1.42 0.02 0.05 18.44 0.47 02:10:03 1.86 0.32 1.52 0.02 40.08 72.84 0.25 02:20:03 1.23 0.00 1.23 0.01 0.01 14.56 0.48 02:30:05 1.61 0.01 1.56 0.04 0.60 19.77 1.48 02:40:06 14.26 0.00 1.37 12.89 0.15 16.20 107676.79 02:50:06 3.32 0.27 2.54 0.50 16.08 133.61 2746.24 Average: 3.96 0.10 1.61 2.25 9.50 45.92 18421.03 01:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:03 5787088 7504240 286832 3.53 61692 1835816 534760 5.82 464520 1614052 224 02:10:03 5751504 7497532 293104 3.60 61992 1864088 534760 5.82 475984 1631248 280 02:20:03 5756412 7502924 287716 3.54 62144 1864412 534912 5.83 475928 1631724 196 02:30:05 5753848 7501088 289568 3.56 62368 1864908 534912 5.83 476168 1632324 188 02:40:06 5753124 7501080 289508 3.56 62548 1865420 534912 5.83 476356 1632860 200 02:50:06 5718884 7464512 323980 3.98 65780 1858056 593896 6.47 535024 1627120 50132 Average: 5753477 7495229 295118 3.63 62754 1858783 544692 5.93 483997 1628221 8537 01:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 2.98 0.17 0.49 0.14 0.00 0.00 0.00 0.00 02:10:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.74 0.22 3.07 0.03 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.35 0.03 0.47 0.01 0.00 0.00 0.00 0.00 02:30:05 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 0.26 0.05 0.06 0.02 0.00 0.00 0.00 0.00 02:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:06 ens3 0.34 0.07 0.09 0.04 0.00 0.00 0.00 0.00 02:50:06 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 02:50:06 ens3 2.60 2.15 21.50 0.39 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.21 0.45 4.28 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-65891) 04/02/26 _x86_64_ (2 CPU) 01:44:21 LINUX RESTART (2 CPU) 01:50:06 CPU %user %nice %system %iowait %steal %idle 02:00:03 all 0.26 0.00 0.18 0.02 0.03 99.51 02:00:03 0 0.20 0.00 0.19 0.02 0.03 99.56 02:00:03 1 0.32 0.00 0.17 0.01 0.03 99.46 02:10:03 all 0.36 0.00 0.10 0.02 0.02 99.49 02:10:03 0 0.24 0.00 0.12 0.02 0.02 99.60 02:10:03 1 0.49 0.00 0.09 0.01 0.02 99.39 02:20:03 all 0.24 0.00 0.07 0.02 0.02 99.66 02:20:03 0 0.05 0.00 0.09 0.01 0.03 99.83 02:20:03 1 0.44 0.00 0.04 0.03 0.02 99.48 02:30:05 all 0.28 0.00 0.16 0.01 0.02 99.53 02:30:05 0 0.16 0.00 0.17 0.01 0.02 99.64 02:30:05 1 0.40 0.00 0.15 0.01 0.02 99.42 02:40:06 all 0.24 0.00 0.07 0.05 0.03 99.61 02:40:06 0 0.04 0.00 0.10 0.06 0.03 99.76 02:40:06 1 0.45 0.00 0.04 0.04 0.02 99.46 02:50:06 all 1.26 0.00 0.23 0.05 0.03 98.43 02:50:06 0 0.34 0.00 0.15 0.01 0.03 99.47 02:50:06 1 2.18 0.00 0.31 0.10 0.02 97.40 Average: all 0.44 0.00 0.13 0.03 0.02 99.37 Average: 0 0.17 0.00 0.14 0.02 0.03 99.65 Average: 1 0.71 0.00 0.13 0.03 0.02 99.10